Commitments and Contingencies (Tables)

3 Months Ended

Mar. 31, 2013

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]

As of March 31, 2013, future minimum rental commitments under non-cancellable leases were as follows (in thousands):

Years Ending March 31,	Future Minimum Lease Payments
2014	$	251
2015		270
2016		164
	$	685